How to ensure lvextend of mirrored LV allocates PEs on 2 different SAN arrays
Issue
How to ensure lvextend of mirrored LV allocates PEs from PVs on 2 different SAN arrays.
PVs are from Two different SAN arrays which are at two different Datacenters. We want to ensure mirrored LV is not affected when there is a loss of link of one SAN array.
How to ensure mirror legs are always made up of PVs from different SAN arrays for redundancy.
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Logical Volume Manager (LVM) 2
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